EP0906517B1 - Gleitlager - Google Patents

Gleitlager Download PDF

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Publication number
EP0906517B1
EP0906517B1 EP97922842A EP97922842A EP0906517B1 EP 0906517 B1 EP0906517 B1 EP 0906517B1 EP 97922842 A EP97922842 A EP 97922842A EP 97922842 A EP97922842 A EP 97922842A EP 0906517 B1 EP0906517 B1 EP 0906517B1
Authority
EP
European Patent Office
Prior art keywords
bearing body
securing
housing
bearing
sliding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97922842A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0906517A1 (de
Inventor
Frank Blase
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Igus GmbH
Igus Spritzgussteile fuer die Industrie GmbH
Original Assignee
Igus GmbH
Igus Spritzgussteile fuer die Industrie GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7791967&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0906517(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Igus GmbH, Igus Spritzgussteile fuer die Industrie GmbH filed Critical Igus GmbH
Publication of EP0906517A1 publication Critical patent/EP0906517A1/de
Application granted granted Critical
Publication of EP0906517B1 publication Critical patent/EP0906517B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/08—Attachment of brasses, bushes or linings to the bearing housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/02—Sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/20—Sliding surface consisting mainly of plastics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S384/00—Bearings
    • Y10S384/90—Cooling or heating
    • Y10S384/906—Antirotation key

Definitions

  • the invention relates to a plain bearing for supporting shafts and the like with a bearing body made of plastic and a the bearing body supporting housing, the slide bearing Shafts essentially completely, and the bearing body one over its entire axial extent extending slot and at least one also over the entire axial extent extending deformable Has an area which allows the slot to be opened, so that the bearing body essentially in the radial direction can be attached to the shaft and removed from it, whereby means for rotation and displacement-proof fixing are provided.
  • a plain bearing which has a separate press-in area and sliding area, so that the plain bearing from the press-fit area in the press fit of a corresponding component is held.
  • This is a simple attachment of the plain bearing possible, by the mounting in the press fit can only limit the plain bearing Exposed to forces that cause a shift or Can cause rotation of the plain bearing.
  • EP 0 377 523 A1 discloses a plain bearing, which however only by means of a peripheral rib in a corresponding one Recess of a housing is attached so that a non-rotating Fixing the plain bearing is not possible.
  • the object of the invention is to provide a plain bearing with means for to create twist and displacement-proof fastening, its assembly is significantly simplified.
  • the object is achieved in that the Means for non-rotating and the means for non-shifting Fixing the bearing body are designed so that first one of them and then the other can be actuated, the means for determining the bearing body can be operated one after the other in any order.
  • this can, for example be mounted so that they cannot rotate, which results in a gives certain guidance for the bearing body, followed by the non-shifting and final assembly of the Bearing body takes place.
  • the assembly can be done in such a way that the the bearing body supporting housing moved axially on the shaft is so that the bearing body is accessible, and then the bearing body opening the slot in radial Direction is removed from the shaft.
  • the wave can do this continue to be supported by the other designated camps and is not to remove the damaged bearing body disassemble.
  • the new bearing body can be correspondingly wide open slot again in the radial direction on the shaft are applied and after closing the slot, if necessary with axial displacement on the shaft, in the housing can be easily assembled.
  • the opening and closing of the slot is made by the extending over the entire axial extent of the bearing body deformable area.
  • the deformability of the area can be generated in that the deformable Area has a smaller wall thickness than that Shaft bearing area of the bearing body.
  • This area can be designed as a film hinge, for example "Film hinge can also have openings.
  • the film hinge can also in the assembled state of the plain bearing rest on the shaft or with the appropriate wall thickness of the Bearing body can also be spaced from this.
  • the bearing body and the deformable area or areas can also made of materials with different elasticity modules consist.
  • the area that is a bend of itself regions of the bearing body adjacent to it on both sides against each other allows so that the slot opened and closed can be made in one piece with the adjacent Areas of the bearing body connected, for example glued or injection molded.
  • a slotted area should also be considered so that the Bearing body, for example, essentially of two from each other separable half shells, which form a bearing body can be put together.
  • Corresponding Means can be provided for a displacement of the half-shells prevent each other. So with appropriate wall thickness of the bearing body to the opposite, in End faces extending in the axial direction of the bearing body corresponding pins and recesses can be arranged.
  • the Narrow sides of the two or more forming the bearing body Segments can also be toothed or the like be provided, the displacement of the segments against each other prevents when the bearing body is installed.
  • Appropriate Means of defining the segments can also be found on the Housing may be provided.
  • the bearing body can also consist of a low-friction Exist material that has sufficient elasticity, so that the bearing body essentially as a slotted tube is executed and under essentially the scope of the Bearing body distributed uniform deformation of the slot opened and the bearing body in the radial direction on the Wave can be applied.
  • Such materials can for example by plastic alloys with one hand elastic and, on the other hand, essentially friction-reducing Materials.
  • the slot and the deformable one advantageously run Area of the bearing body parallel to the longitudinal axis of the bearing body. Furthermore, the slot and the deformable Area of the bearing body each other on the circumference of the bearing body be arranged opposite one another so that the bearing body consisting of two half shells of equal size and which can be angled against each other consists. However, the slot can also be wavy or be helical.
  • the bearing body can be individual, segment-like Have sliding areas, the deformable areas as flexible film bridges connecting the sliding areas are trained.
  • the bearing also has a special feature good running properties due to material expansion of the Bearing body due to moisture or temperature in Circumferential direction of the plain bearing can be distributed.
  • Film bridges connecting sliding segments to one another in this way molded on the edges of the sliding segments that both the inner and the outer circumference of the bearing body has depressions.
  • segment-like sliding areas as essentially webs extending axially in the direction of the slide bearing, however, they can also be helical or the like be executed.
  • the slot can condition in one of the flexible film bridges be introduced.
  • One can also form the slot of the film-like areas. Training the Slot can already be made during the production of the plain bearing, for example, by designing the Injection mold or the like, take place, the slots can also subsequently introduced into the prefabricated bearing body become.
  • the bearing body has a plurality of segment-like sliding areas as well as connecting them deformable Areas such as flexible film bridges, so can the bearing body adapt to the inner contour of the housing.
  • the bearing body no longer has to, as is the case, for example for bearing bodies with essentially rigid half-shells the case is with high dimensional accuracy of the inner and the outer peripheral surface to be made to fit snugly in that Housing can be used. To the dimensional accuracy of the Bearing body are therefore less demanding, as is the case with essentially rigid bearing bodies is.
  • the bearing body in the housing is advantageously in the direction of movement the shaft and / or locked perpendicular to it.
  • on the radially outer side of the Corresponding locking means can be provided in the bearing body.
  • At linearly moving shaft represents the movement with perpendicular to it Component, for example, represents a rotational movement.
  • the bearing body can be designed such that it on his outer circumference at least one substantially radially protruding Has projection, with a on the housing recess corresponding to the projections, in particular a circumferential groove is provided, in which the projection Defining the bearing body in the axial direction relative to the housing is introduced.
  • the introduction of the bearing body into that Housing can, for example, under radial deformation the same in the axial direction.
  • the bearing body can be designed in this way be that its outer diameter is disassembled is the same or in particular larger than that Inner diameter of the housing, so that the diameter of the Bearing body using a radial or tangential Pressure is reduced and the bearing body so resilient is biased.
  • the slot has a sufficient width so that under Closing the slot of the outer diameter of the bearing body is sufficiently reduced.
  • the bearing body deformed in this way can then be introduced into a housing in the axial direction , springing back under decreasing pressure and without or advantageously on the inside under constant pretension abuts the housing.
  • the housing can also have a groove that is open at the end, into which a projection on the bearing body stands outwards is axially insertable.
  • the bearing body can also by and the same locking means for both rotating and axially displaceably guided relative to the slide bearing shaft be set in the housing.
  • Fixing the bearing body in the axial direction as well in the tangential direction, d. H. both with axially displaceable as well as with a rotating shaft, can also be done in this way done that the housing has a through hole and the bearing body a recess in alignment with this positionable has and that the bearing body by means of a through hole and recess engaging fastener and / or secured against displacement in the housing is.
  • the recess can also be as between web-like Sliding areas extending in the axial direction of the plain bearing Be designed groove through which a film hinge is formed becomes.
  • the housing can have multiple layers, in particular be double-skinned, with means for Fixing the housing shells to each other are provided.
  • Such means can be, for example, as corresponding Pins and recesses must be executed.
  • Latching means or additional fasteners be provided so that the housing already supports the bearing body adequately supported.
  • the means of determining the housing shells can only be used as assembly aids be formed, the forces acting on the slide bearing from the components supporting the plain bearing can be.
  • Fig. 1 As shown in Fig. 1, it has a low-sliding plastic existing bearing body 1 one over the entire axially extending slot 2.
  • the sliding area the bearing body is in several itself in the axial direction of the bearing body extending webs 3 divided, the radial inner surfaces 4 form the sliding surface, which with the in the plain bearing, not shown shaft to the system come.
  • the radially outer surfaces 5 of the webs 3 are in the assembled state of the bearing body on the inner wall of the housing (see Fig. 2).
  • the webs 3 are over flexible film bridges 6 interconnected so that under Deformation of the film bridges of slot 2 opened or closed can be and so the bearing body 1 in a radial Can be applied to and removed from a shaft is.
  • the film bridges 6 can be designed so that the outer diameter of the bearing body 1 in the disassembled state is larger than the inside diameter of the housing, so that the bearing body 1 under elastic prestressing of the film bridges can be inserted into the housing and in the assembled Condition the webs 3 with a low preload against the inner wall of the housing.
  • Both the slot 2 and the webs 3 and the deformable Film bridges 6 are parallel to the longitudinal axis of the bearing body aligned.
  • the slot 2 has in the assembled state of the bearing body 1 has a width that is the width of the film bridges 6 corresponds.
  • Fig. 2 is a bearing body arranged in a housing shown in Fig. 1.
  • the radially outer projections 7 of the bearing body 1 engage in a circumferential groove 8 of the housing 9 and secure the bearing body 1 against axial displacement. Due to the elastic formation of the film bridges 6 and the dimensioning of the outer diameter of the bearing body 1 in disassembled state, the outer surfaces 5 of the webs 3 under tension on the inner wall of the housing 9, so that the projections 7 are received by the groove 8.
  • the housing 9 is provided with a through hole 10 into which the projection 7a can engage. At the same time this will the bearing body is also axially fixed.
  • the projections 7 or the webs 3 with depressions or recesses can be provided in the arranged on the housing Can engage projections.
  • the through hole 10 can also as a blind bore open towards the bearing body 1 or executed groove extending in the axial direction be.
  • a bearing body 1 is shown in which the bearing body 1 formed in the housing 9 rotationally fixed projection as a bar 11 is received by a longitudinal groove 12 of the housing 1 can be and which extends over the entire length of the bearing body 1 or the webs 3 extends.
  • the bearing body 1 is under the guidance of the bar 11 in the groove 12 axially in the Housing 1 inserted until the projections 7 under axial Fixing the bearing body 1 in the housing 9 in the circumferential groove 8 intervene.
  • Bearing body 1 and housing 9 correspond in the rest of the embodiment of FIG. 1, 2nd
EP97922842A 1996-04-20 1997-04-15 Gleitlager Expired - Lifetime EP0906517B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19615824 1996-04-20
DE19615824A DE19615824A1 (de) 1996-04-20 1996-04-20 Gleitlager
PCT/DE1997/000769 WO1997040281A1 (de) 1996-04-20 1997-04-15 Gleitlager

Publications (2)

Publication Number Publication Date
EP0906517A1 EP0906517A1 (de) 1999-04-07
EP0906517B1 true EP0906517B1 (de) 1999-11-10

Family

ID=7791967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97922842A Expired - Lifetime EP0906517B1 (de) 1996-04-20 1997-04-15 Gleitlager

Country Status (16)

Country Link
US (1) US6113275A (hu)
EP (1) EP0906517B1 (hu)
JP (1) JP3310984B2 (hu)
KR (1) KR100316424B1 (hu)
CN (1) CN1091226C (hu)
AU (1) AU2886097A (hu)
BR (1) BR9708783A (hu)
CA (1) CA2252397C (hu)
CZ (1) CZ292171B6 (hu)
DE (2) DE19615824A1 (hu)
ES (1) ES2140238T3 (hu)
HU (1) HU223876B1 (hu)
PL (1) PL184901B1 (hu)
TW (1) TW355196B (hu)
WO (1) WO1997040281A1 (hu)
ZA (1) ZA973346B (hu)

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CN103307119A (zh) * 2012-03-14 2013-09-18 上海美沃精密仪器有限公司 一种轴向滑动机构
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DE202013101374U1 (de) * 2013-03-28 2013-04-12 Igus Gmbh Axial-Radial-Gleitlager mit Polymergleitelementen und entsprechendes Gleitelement
US9863172B2 (en) * 2014-12-11 2018-01-09 Standard Car Truck Company Railroad car lubricant free door lock
JP6434327B2 (ja) * 2015-02-03 2018-12-05 オイレス工業株式会社 滑り軸受
JP6572624B2 (ja) * 2015-05-20 2019-09-11 オイレス工業株式会社 滑り軸受及びそれを具備した軸受機構
WO2017003927A1 (en) 2015-06-30 2017-01-05 Saint-Gobain Performance Plastics Corporation Plain bearing
KR20180019382A (ko) * 2016-08-16 2018-02-26 한온시스템 주식회사 가변 용량 압축기용 구동부
CN109863323B (zh) * 2016-10-24 2020-11-10 Ntn株式会社 滑动轴承
CN108150533A (zh) * 2018-02-08 2018-06-12 成都金士力科技有限公司 模组滑动装置及其使用方法
CN108150534A (zh) * 2018-02-08 2018-06-12 成都金士力科技有限公司 模组滑块及其使用方法
CN109013106B (zh) * 2018-09-07 2019-11-26 福州市诚恩贸易有限公司 一种便于固定的管状材料加工用旋转装置
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DE202019101776U1 (de) 2019-03-28 2019-12-04 Igus Gmbh Kunststoff-Gleitelement mit Sensorfunktion, insbesondere mit Verschleißerkennung
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Also Published As

Publication number Publication date
DE59700704D1 (de) 1999-12-16
KR20000005512A (ko) 2000-01-25
ES2140238T3 (es) 2000-02-16
CN1216599A (zh) 1999-05-12
BR9708783A (pt) 1999-08-03
DE19615824A1 (de) 1997-10-23
JPH11510882A (ja) 1999-09-21
PL184901B1 (pl) 2003-01-31
KR100316424B1 (ko) 2002-01-15
ZA973346B (en) 1998-01-14
EP0906517A1 (de) 1999-04-07
JP3310984B2 (ja) 2002-08-05
CZ292171B6 (cs) 2003-08-13
TW355196B (en) 1999-04-01
WO1997040281A1 (de) 1997-10-30
CA2252397C (en) 2003-01-14
US6113275A (en) 2000-09-05
CN1091226C (zh) 2002-09-18
AU2886097A (en) 1997-11-12
HUP9901521A3 (en) 2000-02-28
HU223876B1 (hu) 2005-02-28
CA2252397A1 (en) 1997-10-30
HUP9901521A2 (hu) 1999-08-30
CZ9803346A3 (cs) 2001-02-14
PL329481A1 (en) 1999-03-29

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